SG68667A1 - Methods and apparatus for variable-rate down- sampling filters for discrete-time sampled systems using a fixed sampling rate - Google Patents

Methods and apparatus for variable-rate down- sampling filters for discrete-time sampled systems using a fixed sampling rate

Info

Publication number
SG68667A1
SG68667A1 SG1998001131A SG1998001131A SG68667A1 SG 68667 A1 SG68667 A1 SG 68667A1 SG 1998001131 A SG1998001131 A SG 1998001131A SG 1998001131 A SG1998001131 A SG 1998001131A SG 68667 A1 SG68667 A1 SG 68667A1
Authority
SG
Singapore
Prior art keywords
rate
sampling
discrete
variable
methods
Prior art date
Application number
SG1998001131A
Inventor
Karen J Stephen
Alok Gupta
Jonathan Cromwell
Original Assignee
Ibm
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ibm filed Critical Ibm
Publication of SG68667A1 publication Critical patent/SG68667A1/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/0016—Arrangements for synchronising receiver with transmitter correction of synchronization errors
    • H04L7/002—Arrangements for synchronising receiver with transmitter correction of synchronization errors correction by interpolation
    • H04L7/0029—Arrangements for synchronising receiver with transmitter correction of synchronization errors correction by interpolation interpolation of received data signal
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/0248—Filters characterised by a particular frequency response or filtering method
    • H03H17/0264—Filter sets with mutual related characteristics
    • H03H17/0273—Polyphase filters
    • H03H17/0275—Polyphase filters comprising non-recursive filters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/06—Non-recursive filters
    • H03H17/0621—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing
    • H03H17/0635—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing characterized by the ratio between the input-sampling and output-delivery frequencies
    • H03H17/0642—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing characterized by the ratio between the input-sampling and output-delivery frequencies the ratio being arbitrary or irrational
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H2218/00—Indexing scheme relating to details of digital filters
    • H03H2218/04—In-phase and quadrature [I/Q] signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Analogue/Digital Conversion (AREA)
  • Complex Calculations (AREA)
SG1998001131A 1997-05-30 1998-05-26 Methods and apparatus for variable-rate down- sampling filters for discrete-time sampled systems using a fixed sampling rate SG68667A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/866,590 US6014682A (en) 1997-05-30 1997-05-30 Methods and apparatus for variable-rate down-sampling filters for discrete-time sampled systems using a fixed sampling rate

Publications (1)

Publication Number Publication Date
SG68667A1 true SG68667A1 (en) 2000-01-25

Family

ID=25347948

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1998001131A SG68667A1 (en) 1997-05-30 1998-05-26 Methods and apparatus for variable-rate down- sampling filters for discrete-time sampled systems using a fixed sampling rate

Country Status (9)

Country Link
US (1) US6014682A (en)
EP (1) EP0881764B1 (en)
JP (2) JP3337424B2 (en)
KR (1) KR100373525B1 (en)
CN (1) CN1146199C (en)
DE (1) DE69840313D1 (en)
MY (1) MY114060A (en)
SG (1) SG68667A1 (en)
TW (1) TW391110B (en)

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US7095349B1 (en) * 2005-05-03 2006-08-22 Altera Corporation Numerically controlled oscillator and method for operating the same
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US20080071846A1 (en) * 2006-09-14 2008-03-20 Texas Instruments Incorporated Processor Architecture for Programmable Digital Filters in a Multi-Standard Integrated Circuit
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Also Published As

Publication number Publication date
EP0881764A2 (en) 1998-12-02
KR100373525B1 (en) 2003-04-21
KR19980087508A (en) 1998-12-05
CN1208298A (en) 1999-02-17
MY114060A (en) 2002-07-31
DE69840313D1 (en) 2009-01-22
JP2003069388A (en) 2003-03-07
CN1146199C (en) 2004-04-14
EP0881764B1 (en) 2008-12-10
JP3337424B2 (en) 2002-10-21
US6014682A (en) 2000-01-11
EP0881764A3 (en) 2001-05-30
TW391110B (en) 2000-05-21
JPH1155077A (en) 1999-02-26

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